Unfortunately many things can be lost through the stool depending on the cause, duration, and amount of stool passage.

You may want to check with your physician or GI specialist to obtain more details on why you are having the chronic diarrhea. They can make sure your electrolytes and nutrition are treated appropriately and moreover find a cause and treatment for the diarrhea.
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If you have diabetes, it can be a sign of diabetic ketoacidosis (too high a sugar level). It can be present in alcoholics with poor nutrition recently (alcoholic keto-acidosis) and in people who have not eaten lately (starvation keto-acidosis).
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The dialysate fluid should be a mild to moderate yellow color. It sometimes can be a very pale yellow and almost clear. If it is dark colored or becomes reddish you would need to alert your doctor or nurse.

You should be able to read a newspaper through italso. If not, that can be an early sign of infection (cloudy fluid).